/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2019  Olive Team

  This program is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program.  If not, see <http://www.gnu.org/licenses/>.

***/

#ifndef VIEWERCONTAINER_H
#define VIEWERCONTAINER_H

#include <QWidget>
class Viewer;
class ViewerWidget;
class QScrollBar;

class ViewerContainer : public QWidget
{
  Q_OBJECT
public:
  explicit ViewerContainer(QWidget *parent = 0);
  ~ViewerContainer();

  bool fit;
  double zoom;

  void dragScrollPress(const QPoint&);
  void dragScrollMove(const QPoint&);
  void parseWheelEvent(QWheelEvent* event);

  Viewer* viewer;
  ViewerWidget* child;
  void adjust();

  // manually moves scrollbars into the correct position
  void adjust_scrollbars();

protected:
  void resizeEvent(QResizeEvent *event);

signals:

public slots:

private slots:
  void scroll_changed();

private:
  int drag_start_x;
  int drag_start_y;
  int horiz_start;
  int vert_start;
  QScrollBar* horizontal_scrollbar;
  QScrollBar* vertical_scrollbar;
};

#endif // VIEWERCONTAINER_H
